Linux Commands List

PostedAugust 24, 2021

UpdatedAugust 24, 2021

Byted

Name	Description
admin	Create and administer SCCS files
alias	Define or display aliases
ar	Create and maintain library archives
asa	Interpret carriage-control characters
at	Execute commands at a later time
awk	Pattern scanning and processing language
basename	Return non-directory portion of a pathname
bash	The Bourne-again shell
batch	Schedule commands to be executed in a batch queue
bc	Arbitrary-precision arithmetic language
bg	Run jobs in the background
break	Exit from for, while, or until loop
c99	Compile standard C programs
cal	Print a calendar
cat	Concatenate and print files
cd	Change the working directory
cflow	Generate a C-language flowgraph
chgrp	Change the file group ownership
chmod	Change the file modes/attributes/permissions
chown	Change the file ownership
chroot	run a command or interactive shell using a specific directory as the root directory
cksum	Write file checksums and sizes
cmp	Compare two files
comm	Select or reject lines common to two files
command	Execute a simple command
compress	Compress data
continue	Continue for, while, or until loop
cp	Copy files
crontab	Schedule periodic background work
csplit	Split files based on context
ctags	Create a tags file
cut	Cut out selected fields of each line of a file
cxref	Generate a C-language program cross-reference table
date	Write the date and time
dd	Convert and copy a file
delta	Make a delta (change) to an SCCS file
df	Report free disk space
diff	Compare two files
dirname	Return the directory portion of a pathname
dot	Execute commands in the current environment
du	Estimate file space usage
echo	Write arguments to standard output
ed	The standard text editor
env	list environment variables or invoke a command in a modified environment
eval	Construct command by concatenating arguments
ex	Text editor
exec	Execute commands and open, close, or copy file descriptors
exit	Cause the shell to exit
expand	Convert tabs to spaces
export	Set the export attribute for variables
expr	Evaluate arguments as an expression
false	Return false value
fc	Process the command history list
fg	Run jobs in the foreground
file	Determine file type
find	Find files
flex	Generate programs for lexical tasks
fold	Filter for folding lines
fort77	w:FORTRAN compiler
fortune	Displays a random quotation
ftp	Internet file transfer program
fuser	List process IDs of all processes that have one or more files open
gawk	Pattern scanning and processing language, GNU’s version of awk
gencat	Generate a formatted message catalog
get	Get a version of an SCCS file
getconf	Get configuration values
getopts	Parse utility options
grep	Search text for a pattern
groups	List groups a user belongs to
hash	Remember or report utility locations
head	Copy the first part of files
hostname	Show the system’s host name
iconv	Codeset conversion
id	Return user identity
iostat	collect and show operating system storage input and output statistics
ipcrm	Remove a message queue, semaphore set, or shared memory segment identifier
ipcs	Report interprocess communication facilities status
jobs	Display status of jobs in the current session
join	Relational database operator
kill	Terminate or signal processes
less	Display files on a page-by-page basis
lex	Generate programs for lexical tasks
link	Call link function
ln	Link files
locale	Get locale-specific information
localedef	Define locale environment
logger	Log messages
login	Begin sessions on a system
logname	Return the user’s login name
logout	End sessions on a system
lp	Send files to a printer
ls	List directory contents
m4	Macro processor
mailx	Process messages
make	Maintain, update, and regenerate groups of programs
man	Display system documentation
mesg	Permit or deny messages
mkdir	Make directories
mkfifo	Make FIFO special files
mktemp	Create a temporary file or directory
more	Display files on a page-by-page basis
mount	Mount a file system
mv	Move files
nano	Small text editor
netstat	Displays network information and statistics
newgrp	Change to a new group
nice	Invoke a utility with an altered nice value
nl	Line numbering filter
nm	Write the name list of an object file
nohup	Invoke a utility immune to hangups
od	Dump files in various formats
passwd	Set or change user password
paste	Merge corresponding or subsequent lines of files
patch	Apply changes to files
pathchk	Check pathnames
pax	Portable archive interchange
pgrep	Find processes with the given name using pattern matching
pkill	Kills processes with the given name using pattern matching
pr	Print files
printf	Write formatted output
prs	Print an SCCS file
ps	Report process status
pstree	Display a tree of processes
pwd	print working directory – Return working directory name
qalter	Alter batch job
qdel	Delete batch jobs
qhold	Hold batch jobs
qmove	Move batch jobs
qmsg	Send message to batch jobs
qrerun	Rerun batch jobs
qrls	Release batch jobs
qselect	Select batch jobs
qsig	Signal batch jobs
qstat	Show status of batch jobs
qsub	Submit a script
read	Read a line from standard input
readonly	Set the readonly attribute for variables
renice	Set nice values of running processes
return	Return from a function
rm	Remove files or directories
rmdel	Remove a delta from an SCCS file
rmdir	Remove directories
sact	Print current SCCS file-editing activity
sar	System Activity Report
sccs	Front end for the SCCS subsystem
sed	Stream editor
seq	Print a sequence of numbers
set	Set or unset options and positional parameters
sh	Shell, the standard command language interpreter
shift	Shift positional parameters
shopt	Control optional shell behavior
sleep	Suspend execution for an interval
sort	Sort, merge, or sequence check text files
split	Split files into pieces
strings	Find printable strings in files
strip	Remove unnecessary information from executable files
stty	Set the options for a terminal
suspend	Suspend execution of the shell until it receives a continue signal
tabs	Set terminal tabs
tail	Copy the last part of a file
talk	Talk to another user
tee	Duplicate standard input
test	Evaluate expression
time	Time a simple command
times	Write process times
touch	Create file and Change file access and modification times
top	Real-time display of running processes
tput	Change terminal characteristics
tr	Translate characters
trap	Trap signals
true	Return true value
tsort	Topological sort
tty	Return user’s terminal name
type	Displays how a name would be interpreted if used as a command
ulimit	Set or report file size limit
umask	Get or set the file mode creation mask
umount	Unmount a filesystem
unalias	Remove alias definitions
uname	Return system name
uncompress	Expand compressed data
unexpand	Convert spaces to tabs
unget	Undo a previous get of an SCCS file
uniq	Report or filter out repeated lines in a file
unlink	Call the unlink function
unset	Unset values and attributes of variables and functions
uucp	System-to-system copy
uudecode	Decode a binary file
uuencode	Encode a binary file
uustat	uucp status inquiry and job control
uux	Remote command execution
val	Validate SCCS files
vi	Screen-oriented (visual) display editor
wait	Await process completion
wc	Word, line, and byte or character count
what	Identify SCCS files
who	Display who is on the system
write	Write to another user’s terminal
xargs	Construct argument lists and invoke utility
yacc	Yet another compiler compiler
zcat	Expand and concatenate data

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